Question

an astronomer observes an asteroid in the solar system. he notes that the asteroid is three times farther from the sun than earth is. how far away from the sun is the asteroid in astronomical units?
o 1 au
o 2 au
o 3 au
o 4 au

Explanation:

Step1: Recall Earth - Sun distance

The average distance from the Earth to the Sun is 1 astronomical unit (AU).

Step2: Calculate asteroid - Sun distance

The asteroid is three times farther from the Sun than Earth. So, 1 AU×3 = 3 AU.

Answer:

3 AU